نتایج جستجو برای: feed particle size

تعداد نتایج: 755624  

2014

Feed related costs are the main drivers of profitability of commercial poultry farms, and good nutrition is mainly responsible for the exceptional growth rate responses of current poultry species. So far, most research on the poultry feeding behaviour addresses the productivity indices and birds’ physiological responses, but few studies have considered the biomechanical characteristics involved...

2016
Jessica Egan Claude Bazin Daniel Hodouin William Skinner

The recovery of gold by ore leaching is influenced by the size of the particles and the chemical environment. The effect of particle size on the dissolution of gold is usually studied using mono-size particles as the gold in solution comes from the ore of a unique leached particle size. This paper proposes a method to estimate the gold dissolution as a function of particle size using a bulk ore...

Journal: :iranian journal of science and technology transactions of civil engineering 2015
e. ghiasvand a.a. ramezanianpour

the benefits of using mineral admixtures as a partial replacement of portland cement (pc) are well established in the literature. economic and environmental advantages by reducing co2 emissions are well known. this paper examines the influence of intergrinding and separate grinding on the amount of energy consumption, blaine fineness and particle size distribution (psd) of blended cements, name...

Journal: :journal of agricultural science and technology 2013
m. majzoobi s. sharifi b. imani a. farahnaky

rice bran is a major by-product of the rice milling process that contains high amounts of fiber, proteins, fats, vitamins, minerals as well as antioxidants and hence can be utilized in enriching food products. the main aim followed in this study was to determine the effects of rice bran of variable particle sizes (53, 125 and 210 µm) and its quantity (0, 5, 10, 15 and 20%) on the quality of bat...

Journal: :journal of agricultural science and technology 2015
s. wang g. j. dorr m. khashehchi x. he

the aim of the present study was to investigate the influence of nozzle configurations on spray drift and explain the influences using several atomization characteristics (length of spray sheet, spray angle, velocity distribution of flow field, fluctuation of velocity, and droplet size). nozzles manufactured by one company (lechler gmbh, germany) were tested by spraying local tap water in a win...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
jafar mohammadzadeh milani zahra emam-djomeh mohammad safari mohammad mousavi babak ghanbarzadeh

ferula gumosa  boiss is one of the natural plants of iran whose exudates (barijeh) can be used in food industry. in the present study the properties of the gum extracted from tubers of ferula gumosa were examined. for this purpose, gum was extracted from crude exudates by alcoholic extraction with 90% (v/v) ethanol. the purity of gum was relatively high, and it was composed mostly of polysaccha...

Journal: :علوم و تکنولوژی پلیمر 0
شاداب باقری خولنجانی حمید میرزاده محمد عترتی خسروشاهی

the effects of chitosan/biopolymer (c/p) and nanohydroxyapatite/ biopolymer (nha/p) weight ratios on particle size and its uniformity, cross-linking density and nh2 content of nano-hydroxyapatite/chitosan/gelatin (nha/c/g) microspheres were investigated. microspheres were fabricated using water-in-oil emulsion. cross-linking of microspheres was performed using water soluble carbodiimide. partic...

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